Concentrically mounted hydraulic clutch actuator

Details Concentrically mounted hydraulic clutch actuator Concentrically mounted hydraulic clutch actuator

1988-06-15

1991-02-19

Lorence, Richard

192 clutches and power-stop control

Clutches

Operators

192 91A, 192 98, 92107, F16D 2508, F16D 2314

Patent

active

049935291

ABSTRACT:
The hydraulic clutch actuator for a motor vehicle of the concentric type in which the actuator is mounted concentrically around the transmission input shaft of the vehicle within the housing of the clutch. The actuator includes a housing structure defining a central quill shaft surrounding the input shaft of the vehicle and slidably supporting the hub portion of the bearing carrier and further defines an annular piston bore spaced radially outwardly from the quill shaft to define an annular bore between the piston bore and the quill shaft into which the rear end of the hub portion of the bearing carrier may move during the operation of the actuator so as to provide overlap as between the annular piston and the bearing carrier and minimize the axial dimension of the actuator. The preload spring is also positioned in the annular bore between the quill shaft and the piston bore so as to further optimize the compact packaging of the actuator.

REFERENCES:
patent: 2089472 (1937-08-01), Geyer
patent: 2345860 (1944-04-01), Scott-Iversen
patent: 2388857 (1945-11-01), Lindsley
patent: 2550373 (1951-04-01), Ortloff et al.
patent: 2717680 (1955-09-01), Smith
patent: 3004438 (1961-10-01), Funk et al.
patent: 3045790 (1962-07-01), Becker
patent: 3474888 (1969-10-01), Carlson et al.
patent: 3955660 (1976-05-01), Poon et al.
patent: 4366890 (1983-01-01), Suckow
patent: 4609087 (1986-09-01), Shirley
patent: 4620625 (1986-11-01), Ladin
patent: 4660694 (1987-04-01), Nix et al.
patent: 4869355 (1989-09-01), Corral et al.

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